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karma
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129
views
1
answer
2
votes
2017-11-23 03:27:09 -0500
B r u n o
How can I compose 2 power series in one variable with their compositional inverse get a power series in two variables?
PowerSeries
reverse
reversion
composition
59
views
1
answer
1
vote
2020-04-24 01:21:20 -0500
FrédéricC
How to base change from a PolynomialRing to that Ring with one variable evaluated, i.e., from Q[x,y] to Q[x,y]/(x=0) = Q[y]?
LaurentSeries
PolynomialRing
quotient
QuotientRing
quotient_ring
41
views
1
answer
1
vote
2020-04-19 00:55:32 -0500
FrédéricC
Why is sage not recognizing symmetric polynomials as symmetric?
SymmetricFunctions
TypeError
49
views
1
answer
1
vote
2019-11-05 01:52:45 -0500
Emmanuel Charpentier
Having trouble importing the lazy_laurent_series module
LaurentSeries
rings
import
217
views
2
answers
1
vote
2017-12-07 13:07:49 -0500
dan_fulea
How to truncate a power series in two variables?
recursive
PowerSeries
truncated
314
views
1
answer
no
votes
2017-11-22 15:28:11 -0500
dan_fulea
How can I take a fractional power and a power series inverse?
LaurentPolynomial
LaurentSeries
fractional
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